CVE-2015-3249: Apache Traffic Server

Critical severity, CVSS 9.8. EPSS: 5.4% chance of exploitation in the next 30 days.

The HTTP/2 experimental feature in Apache Traffic Server 5.3.x before 5.3.1 allows remote attackers to cause a denial of service (out-of-bounds access and daemon crash) or possibly execute arbitrary code via vectors related to the (1) frame_handlers array or (2) set_dynamic_table_size function.

Affected products

• Apache Traffic Server: version 5.3.0 only

Published 2017-10-30. Last modified 2026-06-17.